/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package pub;

import Utils.CursInfoValutar;
import Utils.Static;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import models.CategoryModel;

/**
 *
 * @author user
 */
public class load extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            LoadCategory(request, response);
            response.sendRedirect("index");

        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

    public void LoadCategory(HttpServletRequest request, HttpServletResponse response) {
        try {
            HttpSession session = request.getSession(true);

            if (session.getAttribute(Static.categories) == null) {
                CategoryModel categoryModel = new CategoryModel();
                ArrayList categories = categoryModel.GetMasterCategories();

                int size = categories.size();

                ArrayList[] subCategories = new ArrayList[size];
                for (int i = 0; i < size; i++) {
                    HashMap cat = (HashMap) categories.get(i);
                    subCategories[i] = categoryModel.GetSubCategories(Integer.parseInt(cat.get("CategoryID").toString()));
                }

                session.setAttribute(Static.categories, categories);
                session.setAttribute(Static.subCategories, subCategories);
            }

            if (session.getAttribute(Static.euro) == null || session.getAttribute(Static.dolar) == null) {
                double dolar = CursInfoValutar.GetValue(Static.dolar);
                double euro = CursInfoValutar.GetValue(Static.euro);
            }
        } catch (Exception ex) {
        }
    }
}
